A long-term study of MeV electron burst events detected in the inner radiation belt and slot region was used to determine the electron belt decay times.
Journal of Geophysical Research: Space Physics
Posted inEditors' Vox
Announcing New AGU Journal Editors-in-Chief Starting in 2026
AGU is excited to welcome new Editors-in-Chief for five of our journals in 2026.
Posted inResearch Spotlights
Magnetic “Switchback” Detected near Earth for First Time
Until recently, this type of zigzag shape—formed by energetic rearrangement of magnetic field lines—had been seen only near the Sun.
Posted inEditors' Vox
JGR: Space Physics Launches New Instrumentation Article Type
JGR: Space Physics welcomes new and original developments in instrumentation including novel experimental methodologies that are relevant to space physics.
Posted inEditors' Highlights
Why Subsequent ICMEs are More Geoeffective
A new study demonstrates how an interplanetary coronal mass ejection (ICME) clears the path for following transients and explains why subsequent ICMEs are more geoeffective.
Posted inEditors' Highlights
New Empirical Model of the Flux in the Magnetosheath
A new study presents a model that reconstructs the plasma flux in the Earth’s magnetosheath.
Posted inResearch Spotlights
Radar Reveals Electrical Activity in the Ionosphere
A new method could improve understanding of communication disruptions.
Posted inResearch Spotlights
Blasts from the Past: New Insights from Old Space Storms
Reassessment and comparison of past space weather events highlight the potential for Earth to experience destructive geomagnetic disturbances.
Posted inResearch Spotlights
Space Hurricanes Swirl in the Southern Hemisphere, Mostly in Summer
Previous studies of the recently discovered space weather feature focused on the Northern Hemisphere. Dozens hit the Southern Hemisphere each year, new research shows.